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<body style="clear:both; padding-left:10px; padding-top:5px; padding-right:5px; padding-bottom:5px"><a name="ZH-CN_TOPIC_0000001240485523"></a><a name="ZH-CN_TOPIC_0000001240485523"></a>

<h1 class="topictitle1">管理文件系统副本</h1>
<div id="body0000001240485523"><p id="ZH-CN_TOPIC_0000001240485523__p118251291236">您可以在ProtectManager上对副本数据执行相关操作。</p>
<p id="ZH-CN_TOPIC_0000001240485523__p1143217175110">您需要登录ProtectManager，选择<span class="uicontrol" id="ZH-CN_TOPIC_0000001240485523__uicontrol9143133018394">“<span id="ZH-CN_TOPIC_0000001240485523__text154711237125112">数据利用</span> &gt; <span id="ZH-CN_TOPIC_0000001240485523__text3405121755116">副本数据</span> &gt; <span id="ZH-CN_TOPIC_0000001240485523__text1336131816475">本地文件系统</span>”</span>，进入本地文件系统副本页面。选择<span class="uicontrol" id="ZH-CN_TOPIC_0000001240485523__uicontrol17104591097">“<span id="ZH-CN_TOPIC_0000001240485523__text7396782101">副本</span>”</span>页签，以副本维度执行相关操作。</p>
<p id="ZH-CN_TOPIC_0000001240485523__p187384984516">具体操作任务如<a href="#ZH-CN_TOPIC_0000001240485523__table209011005246">表1</a>所示。</p>

<div class="tablenoborder"><a name="ZH-CN_TOPIC_0000001240485523__table209011005246"></a><a name="table209011005246"></a><table cellpadding="4" cellspacing="0" summary="" id="ZH-CN_TOPIC_0000001240485523__table209011005246" frame="border" border="1" rules="all"><caption><b>表1 </b>文件系统副本相关操作</caption><colgroup><col style="width:20.150000000000002%"><col style="width:46.51%"><col style="width:33.33%"></colgroup><thead align="left"><tr id="ZH-CN_TOPIC_0000001240485523__row1090118052418"><th align="left" class="cellrowborder" valign="top" width="20.152015201520154%" id="mcps1.3.4.2.4.1.1"><p id="ZH-CN_TOPIC_0000001240485523__p690111010242">任务</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="46.514651465146514%" id="mcps1.3.4.2.4.1.2"><p id="ZH-CN_TOPIC_0000001240485523__p1290110016249">任务描述</p>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.4.2.4.1.3"><p id="ZH-CN_TOPIC_0000001240485523__p169016042414">界面入口</p>
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</thead>
<tbody><tr id="ZH-CN_TOPIC_0000001240485523__row89019014241"><td class="cellrowborder" valign="top" width="20.152015201520154%" headers="mcps1.3.4.2.4.1.1 "><p id="ZH-CN_TOPIC_0000001240485523__p179010019242">修改副本保留策略</p>
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<td class="cellrowborder" valign="top" width="46.514651465146514%" headers="mcps1.3.4.2.4.1.2 "><p id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_p910714592398"><strong id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_b722315495463">操作背景</strong></p>
<p id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_p3176821194114">当您需要重新设置副本的保留时长时，可以通过该操作实现。</p>
<p id="ZH-CN_TOPIC_0000001240485523__p95521448134"><strong id="ZH-CN_TOPIC_0000001240485523__b17112711101317">注意事项</strong></p>
<ul id="ZH-CN_TOPIC_0000001240485523__ul1179081318123"><li id="ZH-CN_TOPIC_0000001240485523__li2790121351213">修改后从当前时间开始计算副本保留时长。</li><li id="ZH-CN_TOPIC_0000001240485523__li1972561518126">如果到达了某条非最新副本链中任意一个副本的过期时间T，将依次删除该副本及被该副本依赖且过期时间早于T的副本。<div class="note" id="ZH-CN_TOPIC_0000001240485523__note183069328278"><span class="notetitle"> 说明： </span><div class="notebody"><ul id="ZH-CN_TOPIC_0000001240485523__ul730145918442"><li id="ZH-CN_TOPIC_0000001240485523__li130185944418">副本链是指某个全量副本以及所有依赖它的增量副本，如果全量副本没有被依赖的增量副本，该全量副本单独构成一条副本链。</li><li id="ZH-CN_TOPIC_0000001240485523__li08765084510">最新副本链不允许触发过期。</li></ul>
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</li></ul>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.4.2.4.1.3 "><p id="ZH-CN_TOPIC_0000001240485523__p192841855201517">在副本所在行单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001240485523__uicontrol125910539471">“<span id="ZH-CN_TOPIC_0000001240485523__text1294354216319">更多</span> &gt; <span id="ZH-CN_TOPIC_0000001240485523__text2046372318509">修改保留策略</span>”</span>。</p>
<p id="ZH-CN_TOPIC_0000001240485523__p16710152319371">您可以设置为永久保留或保留xx天/周/月/年。</p>
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<tr id="ZH-CN_TOPIC_0000001240485523__row1901503240"><td class="cellrowborder" valign="top" width="20.152015201520154%" headers="mcps1.3.4.2.4.1.1 "><p id="ZH-CN_TOPIC_0000001240485523__p1490130182411">删除副本</p>
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<td class="cellrowborder" valign="top" width="46.514651465146514%" headers="mcps1.3.4.2.4.1.2 "><p id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_p11138151411384"><strong id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_b191381114123816">操作背景</strong></p>
<p id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_p194421917183812">当您不再需要某个副本或某个副本不可用时，可以删除该副本，以释放存储空间。</p>
<p id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_p131383146380"><strong id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_b2013821417386">注意事项</strong></p>
<ul id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_ul117392017113917"><li id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_li1019242317398">删除副本前，请确认不再使用该副本执行恢复操作。</li><li id="ZH-CN_TOPIC_0000001240485523__zh-cn_topic_0000001090712911_li1247937103912">副本状态为<span class="uicontrol" id="ZH-CN_TOPIC_0000001240485523__uicontrol012115711910">“<span id="ZH-CN_TOPIC_0000001240485523__text16787181018163">无效</span>”</span>时可以被删除，<span class="uicontrol" id="ZH-CN_TOPIC_0000001240485523__uicontrol857871161110">“<span id="ZH-CN_TOPIC_0000001240485523__text1354116340501">正常</span>”</span>且未索引时可以被删除，其他状态的副本不允许被删除。</li><li id="ZH-CN_TOPIC_0000001240485523__li2546162414312">副本删除后，依赖该副本的副本也会被删除。</li><li id="ZH-CN_TOPIC_0000001240485523__li102431517271">最新副本链中的副本不允许删除（最新副本是唯一副本除外）。<div class="note" id="ZH-CN_TOPIC_0000001240485523__note16001331778"><span class="notetitle"> 说明： </span><div class="notebody"><p id="ZH-CN_TOPIC_0000001240485523__p56001531271">副本链是指某个全量副本以及所有依赖它的增量副本，如果全量副本没有被依赖的增量副本，该全量副本单独构成一条副本链。</p>
</div></div>
</li></ul>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.4.2.4.1.3 "><p id="ZH-CN_TOPIC_0000001240485523__p1150813115169">在副本所在行单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001240485523__uicontrol1191243144810">“<span id="ZH-CN_TOPIC_0000001240485523__text08681706483">更多</span> &gt; <span id="ZH-CN_TOPIC_0000001240485523__text037173134817">删除</span>”</span>。</p>
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<tr id="ZH-CN_TOPIC_0000001240485523__row18901190122417"><td class="cellrowborder" valign="top" width="20.152015201520154%" headers="mcps1.3.4.2.4.1.1 "><p id="ZH-CN_TOPIC_0000001240485523__p1890112062412"><span id="ZH-CN_TOPIC_0000001240485523__text65234302161">清除索引</span></p>
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<td class="cellrowborder" valign="top" width="46.514651465146514%" headers="mcps1.3.4.2.4.1.2 "><p id="ZH-CN_TOPIC_0000001240485523__p167291523314"><strong id="ZH-CN_TOPIC_0000001240485523__b17291352183116">操作背景</strong></p>
<p id="ZH-CN_TOPIC_0000001240485523__p272925273114">当您不再需要副本的索引时，您可以执行清除索引的操作。</p>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.4.2.4.1.3 "><p id="ZH-CN_TOPIC_0000001240485523__p19901190152420">在副本所在行单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001240485523__uicontrol20442167173217">“<span id="ZH-CN_TOPIC_0000001240485523__text344216715323">更多</span> &gt; <span id="ZH-CN_TOPIC_0000001240485523__text14672022191618">清除索引</span>”</span>。</p>
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<tr id="ZH-CN_TOPIC_0000001240485523__row11901203241"><td class="cellrowborder" colspan="3" valign="top" headers="mcps1.3.4.2.4.1.1 mcps1.3.4.2.4.1.2 mcps1.3.4.2.4.1.3 "><p id="ZH-CN_TOPIC_0000001240485523__p1558718617267">注：恢复、文件级恢复的配置类似<a href="zh-cn_topic_0000001234156055.html">恢复文件系统</a>、<a href="zh-cn_topic_0000001234554539.html">恢复文件系统中的文件</a>，本节不再重复说明。</p>
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